The Bee's official dictionary—Webster's Third New International Dictionary and its addenda section (©2002, Merriam-Webster)—has more than 472,000 word entries.
Step One: Students should first learn the 100 study words for their grade level from the 2015 School Spelling Bee Study List. Teachers provide the study words to students. Teachers at enrolled schools may obtain the study words by logging into spellingbee.com and clicking on Student Materials. It is there that teachers print out "Study Words for (Grade Level)."
Step Two: When your student masters the 100 grade-specific words in the 2015 School Spelling Bee Study List, she is ready to learn the study words for all other grade levels. There are a total of 450 words on the 2015 School Spelling Bee Study List.
Step One: Ensure that your school spelling champion knows the study words for grade levels 1–8.
Step Two: When your school spelling champion masters the study words for grade levels 1–8, he is ready to learn the words and do the activities in Spell It!